Swing training aid



FIG. 1 is a perspective view of the swing training aid, showing the new design;

FIG. 2 is a front elevational view of the swing training aid thereof, the undisclosed rear elevation is a mirror image;

FIG. 3 is a left side elevational view of the swing training aid thereof, the undisclosed right side elevation is a mirror image;

FIG. 4 is a top plan view of the swing training aid thereof; and,

FIG. 5 is a bottom plan view of the swing training aid thereof.

The middle portion of the swing training aid shown broken away indicates indeterminate length and forms no part of the claimed design. 

CLAIM The ornamental design for swing training aid, as shown and described. 